Russia's only known submarine in the Mediterranean Sea, the Kilo-class Novorossiysk, was spotted leaving the region last week ...

Ukraine's underwater drones have broken through the long-held belief that submarines are unbeatable. On December 15, 2025, ...

Here’s What You Need To Remember: The latest Kilo variants are among the quietest submarines in the Chinese and Russian navies. These Soviet-designed submarines are the backbone of China’s non-nuclear ...

Russia’s Kilo-class and Yasen-class submarines are likely considered as a massive, high-tech threat by the Pentagon and China’s growing fleet of Jin-class ballistic missile submarines are acquiring ...

Ukraine's internal security agency said it used an underwater drone to damage a Russian submarine. The agency described the attack as a first, potentially signaling a new chapter in drone warfare.

Ukraine is under intense pressure on the battlefield and at the negotiating table, but underwater it appears to be a growing threat to Russia. New satellite imagery shows damage to a Russian naval ...

Last week’s delivery of the improved Kilo-class submarine Ha Noi to the government of Vietnam was just the latest undersea-vessel… ...

A Russian attack submarine that was stationed in Syria has officially left the Mediterranean Sea. The departure of the Kilo-class Novorossiysk leaves Russia without any known submarines in the region.

What You Need to Know: In August 2013, the Indian Navy’s Kilo-class diesel-electric submarine INS Sindhurakshak suffered a catastrophic explosion while docked in Mumbai, marking the worst peacetime ...